Subject: I-D ACTION:draft-oneill-mipv6-cao-00.txt

From: [email-masked]
Date: Fri, 20 Sep 2002 07:52:22 -0400

A New Internet-Draft is available from the on-line Internet-Drafts directories.

	Title		: MIPv6 Care of Address Option
	Author(s)	: A. O'Neill
	Filename	: draft-oneill-mipv6-cao-00.txt
	Pages		: 17
	Date		: 2002-9-19
	
IPv6 and MIPv6 has constrained the HoA to being used within forward 
and reverse tunnels via the HA. In the unicast case, the MN can then activate Route Optimisation to bypass the HA in both directions by securely installing a Binding Cache Entry into the CN. The MN then sends from the CCoA source address to the CN directly into the foreign multicast system, and includes the Home Address Option (HAO) so that the changing CCoA is masked from the transport layer. 

   This draft defines the Care of Address Option, which carries the current CCoA 
   of the MN. The CAO can be included in a Hop By Hop Header or Destination 
   header and used instead of the packet source address for unicast ingress 
   filtering and multicast RPF purposes. This enables a MN to potentially use 
   the HoA as a source address on the foreign network, and to inform the CNs of 
   the evolving MN location.

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